Table 7 Predictive parameters of the various Body Functions score cut-offs for different SaO2 nadir levels
From: Performance of brief ICF-sleep disorders and obesity core set in obstructive sleep apnea patients
Cut-off points | Sensitivity | Specificity | PPV | NPV | AUC |
|---|---|---|---|---|---|
SaO2 ≤ 90% as the diagnostic criteria for OSA | Prevalence of OSA = 509/592 (85.98%) | ||||
ICF-Sleep≥2 | 0.91 | 0.25 | 0.89 | 0.30 | 0.58 (0.52–0.63) |
ICF-Sleep≥3 | 0.59 | 0.39 | 0.86 | 0.13 | 0.63 (0.57–0.70) |
ICF-Sleep≥4 | 0.56 | 0.70 | 0.92 | 0.20 | 0.63 (0.57–0.70) |
ICF-Obesity≥1 | 0.98 | 0.10 | 0.88 | 0.46 | 0.54 (0.50–0.58) |
ICF-Obesity≥2 | 0.82 | 0.34 | 0.89 | 0.23 | 0.58 (0.52–0.65) |
ICF-Obesity≥3 | 0.51 | 0.62 | 0.90 | 0.17 | 0.57 (0.50–0.63) |
SaO2 < 85% as the diagnostic criteria for OSA | Prevalence of OSA = 337/592 (56.93%) | ||||
ICF-Sleep≥3 | 0.82 | 0.45 | 0.67 | 0.65 | 0.63 (0.59–0.68) |
ICF-Sleep≥4 | 0.67 | 0.66 | 0.72 | 0.59 | 0.66 (0.62–0.71) |
ICF-Sleep≥5 | 0.47 | 0.81 | 0.77 | 0.53 | 0.64 (0.60–0.68) |
ICF-Obesity≥1 | 0.99 | 0.06 | 0.59 | 0.85 | 0.52 (0.51–0.54) |
ICF-Obesity≥2 | 0.87 | 0.29 | 0.62 | 0.62 | 0.58 (0.54–0.62) |
ICF-Obesity≥3 | 0.54 | 0.57 | 0.63 | 0.48 | 0.55 (0.51–0.60) |
SAO2 < 80% as the diagnostic criteria for OSA | Prevalence of OSA =234 /592 (39.53%) | ||||
ICF-Sleep≥3 | 0.84 | 0.74 | 0.81 | 0.77 | 0.61 (0.57–0.65) |
ICF-Sleep≥4 | 0.71 | 0.59 | 0.54 | 0.75 | 0.65 (0.61–0.70) |
ICF-Sleep≥5 | 0.50 | 0.75 | 0.58 | 0.69 | 0.63 (0.58–0.67) |
ICF-Obesity≥2 | 0.88 | 0.25 | 0.44 | 0.76 | 0.57 (0.53–0.60) |
ICF-Obesity≥3 | 0.59 | 0.58 | 0.48 | 0.68 | 0.58 (0.54–0.63) |
ICF-Obesity≥4 | 0.27 | 0.82 | 0.50 | 0.63 | 0.54 (0.50–0.58) |